Three prong plug



FIG. 1 is a top perspective view of the three prong plug;

FIG. 2 is a bottom perspective view of the three prong plug

FIG. 3 is a left view of the three prong plug of FIG. 1:

FIG. 4 is a right view of the three prong plug of FIG. 1:

FIG. 5 is a front view of the three prong plug of FIG. 1;

FIG. 6 is a back view of the three prong plug of FIG. 1;

FIG. 7 is a top view of the three prong plug of FIG. 1; and,

FIG. 8 is a bottom view of the three prong plug of FIG. 1.

In the drawings, the broken lines are for the purpose of illustrating environment only and form no part of the claimed design. 

CLAIM The ornamental design for a three prong plug, as shown and described. 